- These IS headsets are made exclusively for Specialized frames with molded-in internal bearing cups
- Custom in-house designed seals
- Enduro stainless bearings
- Uppers include a 5mm integrated spacer stem cap with an alloy bolt
- Made in MN, USA
| Model | Premium Specialized IS |
| S.H.I.S. | IS42/28.6 |
| Upper/Lower | Upper |
| Stack | 3mm |
| Color | Black |
